Fly-scarer attachment for screen-doors.



PATENTED JULY 18, 1905.-

B, J. GOULD. FLY SGARBR ATTACHMENT FOR SCREEN DOORS.

APPLICATION FILED JAN. 30, 1905.

will, Inventor Witn ANDREW I. emmm ca, Ln'nocmvnzsls, wnsumavou, B. c

No. 794,860. Yatented July 18,1905.

UNITED STATES PATENT OEETcE.

EDWIN J. GOULD, OF BOULDER, COLORADO, ASSIGNOR OF ONE-HALF TO LOUIS A. EIVING, OF BOULDER, COLORADO.

FLY-SCARER ATTACHMENT FOR SCREEN-DOORS- SPEGIFIGATION' forming part of Letters Patent No. 794,860, dated'July 18, 1905.

Application filed January 30, 1905. Serial No. 243,402.

T whOm i1? m y 607L067: ric flags or banners 17 at their terminals, which Be it known that I, EDWIN J. GOULD, a citiwill fly about as the shaft is rapidly rotated zen of the United States, residing at Boulder,, and effectually scare flies and other insects in thecounty of Boulder and State of Colorado, from the neighborhood of the door, as herehave invented a new and useful Fly-Scarer Atinafter shown. 5 5

tachment to Screen-Doors, of which the fol- A rack-bar 18 is provided as a feature of lowing is a specification. the invention for operatively engaging the This invention relates to devices for attachgear-pinion from one side and pivoted by ment to screen-doors operative by the openits free end at 19 to a bracket 20, the latter IO ing and closing of the same for scaring flies in turn secured, as by screws 21, to the face and other insects therefrom and preventing of door-casing 22 and spaced from the/hinged them from entering as the door is opened and edge of the screen-door. closed. A guide-rod 23 is connected by its ends, as

With these and other objects in view, which at 24 25, to the rack-bar 18 and is offset to- 5 will appear as the nature of the invention is ward the supporting member 11 and passes better understood, the same consists in cerover the shaft 14 and rests thereon between tain novel features of construction, as hereinthe pinion 15 and the member 11. By this after fully described and claimed. means the rack-bar is maintained in position In the accompanying drawings, forming a in operative relation with the pinion on the 20 part of this specification, and in which correshaft at all parts of the movements. By this sponding parts are denoted by like designatarrangement it will be obvious that when the ingcharacters,is illustrated the preferred form screen-door is opened the difference in locaof the embodiment of the invention capable of tion between the hinge 26 of the screen-door carrying the same into practical operation, it and the pivotal point 19 of the rack-bar will 5 being understood that the invention is not neccause the rack-bar to actuate the pinion and essarily limited thereto, as various changes in rapidly rotate the wings 17 as the screen-door the shape, proportions, and general assemswings open and likewise rotate the wingsin blage of the parts may be resorted to without the reverse direction when the door is closed. departing from the principle of the invention The supporting-bars 1O 11 and shaft 14; will 3 or sacrificing any of its advantages. preferably be located near the upper outer In the drawings, Figure 1 is a view of a porcorner of the swinging screen-frame, as illustion of a door-casing and screen-frame with trated, as the fiiesand other insects naturally the improved device attached. Fig. 2 is a gather more numerously near the upper portransverse section on the line 2 2 of Fig. 1. tion of the screen, and as the screen is opened 35 Fig. 3 is a transverse section, enlarged, on the and closed the wings will be rapidly rotated 5 line 3 3 of Fig. 2. and scare the flies away from the doorway- Theim proved device may be attached to any opening while unprotected by the screen-door. size or form of screen-door and comprises two The device is simple in construction, can be supporting bars or plates 10 11 for securing, inexpensively manufactured, and applied very 4 as by screws 12, to the screen-door frame 13 readily to any size or form of screen-door. from opposite sides, the members 10 11 being Having thus described the invention, what thus spaced apart a distance equal to the thickis claimed isness of the screen-door frame. 1. A fly-scarer for screen-doors comprising A shaft 14 is mounted for rotation through spaced bars for attachment to the screen-door 45 the bars 10 11 and with a gear-pinion 15 on frame, a shaftmounted for rotation in said one end and a plurality of radiating wings on bars and having radiating wings at one end the other end. and a gear-pinion at the other end, a rack-bar The wings may be of any desired size or engaging said pinion, and a bracket pivoted form, but for the purpose of illustration are to the free end of said rack-bar and having 5 shown as formed of radial rods 16, having fabmeans for attachment to the door-easing and I spaced from the hinged edge of said screendoor.

2. A fly-scarer for screen-doors comprising spaced bars for attachment to the screen-door frame, a shaft mounted for rotation in said bars and having radiating Wings at one end and a gear-pinion at the other end, a rack-bar engaging said pinion, at one side and carrying a guide-rod movably bearing upon said shaft between the pinion and adjacent supporting-bars, and a bracket pivoted to the free end of said rack-bar and having means for attachment to the door-casing and spaced from the hinged edge of said screen-door.

In testimony that I claim the foregoing as 5 my oWn I have hereto afliXed my signature in the presence of two Witnesses.

EDWIN J. GOULD.

Witnesses:

PETER FRIEDMAN, v N. J. RIoE. 

